# -*- coding: utf-8 -*-
import numpy as np
import pandas as pd


if __name__ == '__main__':
    df_obj = pd.DataFrame(np.random.rand(5, 4), columns=['a', 'b', 'c', 'd'])
    print df_obj
    print df_obj.sum()
    print df_obj.max()
    print df_obj.max(axis=1)
    print df_obj.describe()
